OpenTechnical

OT-2026-000033370

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033370) never changes.

Identity and time

Publication numberOT-2026-000033370 · never reused
Internal UUID01a0ae75-8980-70e1-af71-e9fdf98b35c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033370
StatusPUBLIC

Content hashes

Canonical textd36cdbf400d0a550853129c2f19ba8f7e48d1c3483c90ab4d824e7408ec487cc
Markdown30df96beb37846ea80e3c470cfcb6a5e2a935817602a64a6694065792ae70bf2
PDF
Publication page7c2c1ffd1b010f6906684cea19e862aecf481739284498d4e69f8e53fb5636d0
Manifestf000fd1062b01320843328187d02082ac3c1b226130f9c91ad5474904a4e88b8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureE2hciYPHaQXP49fJ/RUJdKElUrFPX9TNyJjRdDCGXxMlWzhrOJzmaIbHEhm8vvH4xrj1jStPGpRu39tSQnGSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:08.315453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033370
observed 7c2c1ffd1b010f6906684cea19e862ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.297251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033370/manifest.json
observed f000fd1062b01320843328187d02082a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.278294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033370/publication.md
observed 30df96beb37846ea80e3c470cfcb6a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.261516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033370/publication.txt
observed d36cdbf400d0a550853129c2f19ba8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.